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Oklahoma

Bald eagle
Bald eagle
İTim Wolcott
Event: Bald Eagles Nesting
Where: Arkansas River Bald Eagle Preserve
When: March through May
Southern bald eagles will be nesting at the preserve during the spring.

Closed to the public.
Volunteers removing cedar
Volunteers removing cedar
İN. Jones
Event: Cedar Removal
Where: Pontotoc Ridge Nature Preserve
When: March through May
Volunteers are needed to help remove invasive eastern red cedar on the preserve. Contact Oklahoma field office for more information.
Frog calling
Frog calling
İDante Fenolio
Event: Frogs Calling
Where: Boehler Seeps and Sandhills Preserve
When: March through June
Frogs will be sounding in and around the preserve's two freshwater marshes.

Open to the public. Contact the Oklahoma field office for more information.
Bison with calf
Bison with calf
İK. Shannon
Event: Bison Calving
Where: Tallgrass Prairie Preserve
When: April to mid-June; Peak during May
More than 400 calves are expected to be born to the Tallgrass Prairie bison herd this spring. This is part of a continuing effort to restore a 38,600-acre fragment of the tallgrass prairie that once stretched from Texas to Canada. Bison, along with fire, are among the key forces that sustain the prairie ecosystem. The Nature Conservancy introduced a herd of 300 bison to the Tallgrass Prairie Preserve in October 1993. Stewards hope that the herd will grow to 3,200 in 10 years.

Open to the public. Facilities available: handicapped-accessible restrooms and self-guided nature trail.
Painted bunting
Painted bunting
İThe Nature Conservancy
Event: Birds Nesting
Where: Cucumber Creek Nature Preserve
When: May through July
Neotropical migratory birds, including the cerulean warbler, will be nesting at the 2,800 acre preserve. The preserve's pristine oak-pine forest protects a suite of Ouachita Mountain endemics amid the larger landscape of the Ouachita National Forest.

Open to the public.
Least pipewort
Least pipewort
İThe Nature Conservancy
Event: Least Pipewort Blooming
Where: Boehler Seeps and Sandhills Preserve
When: May and June
The diminutive plant blooms along the hillside seeps on the preserve.

Open to the public.
Least tern nesting
Least tern nesting
İThe Nature Conservancy
Event: Terns Nesting
Where: Arkansas River Least Tern Preserve and Canadian River Least Tern Preserve
When: May through August
Least terns will be nesting along the Arkansas and Canadian Rivers. Contact the Oklahoma field office for information about viewing on the Canadian River.

Open to the public along Riverside Drive in Tulsa.
Summer in Tallgrass Prairie Preserve
Summer in Tallgrass Prairie Preserve
İHarvey Payne
Event: Butterfly Counting
Where: Tallgrass Prairie Preserve, Pontotoc Ridge Nature Preserve, Boehler Seeps and Sandhills
When: June and July
The public is encouraged to come and help count the butterflies on the preserves for the annual census.

Open to the public
Red Cedar tree
Red Cedar tree
İThe Nature Conservancy
Event: Red Cedar Control
Where: Boehler Seeps and Sandhills Preserve
When: October
Volunteers are needed for cutting eastern red cedar. Contact Oklahoma field office for more information.
Bald eagle in snow
Bald eagle in snow
İThe Nature Conservancy
Event: Bald Eagles Wintering
Where: Arkansas River Bald Eagle Preserve
When: November through March
Northern bald eagles return to the preserve during the winter. Volunteers are needed to conduct a census in January.

Viewing area open to the public near Keystone Dam.
Prairie mole crickets
Prairie mole crickets
İRobert and Linda Mitchell
Event: Prairie Mole Crickets Singing
Where: White Oak Preserve
When: June
The prairie mole crickets will show off their seasonal calling from small burrows.

Closed to the public.

For additional information on a particular location, click on the name of the preserve associated with the event or visit the Oklahoma site.